I've seen those ads for years, but always figured it to be some kind of a scam. You mean it's for real?
Yes, the MagicJack works- and it is NOT a scam of any sort. I have owned the MagicJack and it works very well
It was a little buggy when it was new, to its detriment, but it works better now.
The BEST part is the internet access to your account, you can do all kinds of cool things like forward calls to any number and record voice mail and send it to your email.
Email with voice mail message was 1000 times better than an answering machine to me.